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Sartorius™ Premium Pro20 Benchtop Conductivity Meters

Exact measurements with wider measuring ranges and better accuracy specifications

Manufacturer:  Sartorius™ PR20A/DEL

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Catalog No. 14-557-884

This item has been discontinued and is no longer available. Please call customer service for assistance: 1-800-766-7000.
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  • Cat. No. 14-557-884 Pro20 Conductivity Meter Kit: Meter, power supply, cover, arm
  • Cat. No. 14-557-885 Pro20 Conductivity Kit: Meter, power supply, cover, arm, PY-C12 conductivity sensor



This advanced meter with German technology provides accurate measurements, wider ranges, autoCal and 5-point calibrations.
  • Large LCD display with intuitive menu navigation
  • Automated calibration (Auto Cal)
  • Advance GLP Documentation with time and date stamps, administrator rights or user identification via an electronic ID card
  • ElectCheck (CalClock) and Stability Control indicates condition of sensor, integrity of calibration and stability of reading at a single glance
  • User name can be assigned to each measured value
  • Wireless sensor recognition and user identification
  • Direct data transmission with USB interfaces
  • Automatic switch-over to manual temperature input when no temperature sensor is connected
  • IQ/OQ documents available
  • Lower housing: plastic
  • Display Integrated in Keyboard Plastic Foil
  • Plastic Foil Keypad with Tactile Response
  • Measuring Value Storage (Manual/Automatic): 500 data sets, storage intervals from 5 sec. to 60 min.
  • External Universal Power Supply: primary: 100 to 240V, 50/60Hz; secondary: 9V = 1.5A
  • Built-in real-time clock (processor solution), battery buffered, exchangeable battery
  • Battery Type: automatic switch-off 4 mignon battery (adjustable 10 min. to 24 hr., default 1 hr., cannot be switched off)
  • Climate class: 2 (VDI/VDE 3540)
  • Display Size: 7.5 x 6cm
  • Dimensions (D x W x H): 24 x 19 x 8cm
  • Weight: approx.1kg
Conductivity Measurements:
  • Conductivity Range: 0.000µS/cm to 1000mS/cm
  • Salinity Range: 0.0 to 70.0 (acc. to IOT); 0.00 to 20 MOhm cm
  • TDS Range: 0 to 1999mg/L
  • Readability: 0.01
  • Accuracy: ±0.5 % of value (dependent upon probe)
  • TDS factor 0.4 to 1.0
  • Salinity UNESCO1966n Natural Sea Water Scale
  • Accuracy in % from Measuring Value (±1 dig): 0.5
  • Calibrated cell constant 0.450 to 0.500cm-1; 0.585 to 0.715cm-1; 0.800 to 1.200cm-1(calibration with control standard) d 0.01 mol KCl
  • Adjustable cell constant 0.250 to 2.500cm-1 and 0.090 to 0.010cm-1
  • Fixed Cell Constant 0.010cm-1
  • Temperature Compensation in Pure Water
  • Reference Temp. 20° or 25°C Selectable
Temperature Measurements:
  • Range: 0.0° to 100°C
  • Readability: 0.1
  • Accuracy: ±0.1°C
  • Channels: One
  • Selectable °C/°F
  • Connector Types: 2.5mm phone jack connector for 10KOhm


CE marked


cETLus, Protection class III, EG guidelines 73 / 23,EN 61010-1: 2001

Warranty and Services

Two years.



0 to 1999mg/L
0.0 to 70.0 (acc. to IOT); 0.00 to 20 MOhm cm
0.0° to 100°C
500 data sets
External Universal Power Supply: primary: 100 to 240V, 50/60Hz; secondary: 9V = 1.5A
0.000μS/cm to 1000mS/cm
CE marked
100 to 240V


  • Sartorius , Fisherbrand , Fisher Scientific
    Buy $1,500 or more in Sartorius products and get a Sartorius Tacta Pipette Multipack at no additional cost.


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